1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * JDK-8043232: Index selection of overloaded java new constructors
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 // call explicit constructor
  32 print(new (java.lang["String(char[],int,int)"])(['a','b', 'c', 'd'], 1, 3));
  33 // print the constructor itself
  34 print(java.lang["String(char[],int,int)"]);
  35 
  36 // store constructor to call later
  37 var Color = java.lang["String(char[],int,int)"];
  38 // call stored constructor
  39 print(new Color(['r','r', 'e', 'd'], 1, 3))
  40 
  41 // check if default constructor works
  42 var obj = new (java.lang["Object()"])();
  43 if (obj.class != java.lang.Object.class) {
  44     fail("obj is a java.lang.Object");
  45 }
  46 
  47 // expected failure cases.
  48 function checkIt(func) {
  49     try {
  50         func();
  51         throw new Error("should have thrown TypeError");
  52     } catch(e) {
  53         if (! (e instanceof TypeError)) {
  54             fail("Expected TypeError, got " + e);
  55         }
  56         print(e);
  57     }
  58 }
  59 
  60 // constructor of a non-existent class
  61 checkIt(function() new (java.lang["NonExistent(String)"])());
  62 
  63 // non-existent constructor of an existing class
  64 checkIt(function() new (java.lang["Object(String)"])());
  65 
  66 // garbage signature string
  67 checkIt(function() new (java.lang["Object()xxxxx"])());
  68 checkIt(function() new (java.lang["Object("])());
  69 checkIt(function() new (java.lang["Object)"])());
  70 
  71 var System = Java.type("java.lang.System");
  72 // try to do 'new' on static method
  73 checkIt(function() new (System.getProperty)("java.version"));
  74 
  75 // try to do 'new' on an instance method
  76 var println = System.out.println;
  77 checkIt(function() new println("hello"));
  78 
  79 // call constructor as normal method (without 'new')
  80 checkIt(function() Color());
  81 
  82 // try constructor on interface
  83 checkIt(function() new java.lang["Runnable()"]);
  84 checkIt(function() new java.lang["Runnable(int)"]);
  85 
  86 // try constructor on abstrace class
  87 try {
  88     new java.io["InputStream()"];
  89     throw new Error("should have thrown exception!");
  90 } catch (e) {
  91     print(e);
  92 }